Cha 2014.

Methods	Study design: RCT Number of dropouts: none Number of adverse effects: not reported Deaths: none ITT: yes
Participants	Country: Republic of Korea Sample size: 20 (10 in experimental and 10 in control group) Inclusion criteria: hemiplegia due to stroke; gait disturbances Exclusion criteria: not stated
Interventions	2 arms: A‐tDCS 1 mA for 20 minutes over M1 of the lesioned hemisphere + functional training for 30 minutes daily, 5 days a week for 4 weeks functional training for 30 minutes daily, 5 days a week for 4 weeks
Outcomes	Outcomes were measured at baseline and at the end of intervention period Berg Balance Scale Grip strength Fugl‐Meyer Assessment (Upper Extremity) Fugl‐Meyer Assessment (Lower Extremity) Fugl‐Meyer Assessment (Balance)
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Low risk	Quote: "The subjects were assigned to the treatment groups by having each of the subjects take out one card from a box containing two types of card representing both of the treatment groups"
Allocation concealment (selection bias)	Unclear risk	Not described by the authors
Blinding of participants and personnel (performance bias) Subjective outcome measures	Low risk	There were no subjective outcome measures
Blinding of participants and personnel (performance bias) Objective outcome measures	Unclear risk	Not described by the authors
Blinding of outcome assessment (detection bias) Subjective outcome measures	Low risk	There were no subjective outcome measures
Blinding of outcome assessment (detection bias) Objective outcome measures	Unclear risk	Not described by the authors
Incomplete outcome data (attrition bias) Subjective outcome measures	Low risk	There were no subjective outcome measures
Incomplete outcome data (attrition bias) Objective outcome measures	Unclear risk	Not described by the authors
Selective reporting (reporting bias)	Unclear risk	All outcomes reported in the methods section reported